:root{--page: #f4f1e9;--surface: #fffdf8;--surface-muted: #e9e5dc;--text: #17211e;--muted: #5d6863;--line: #d5d0c5;--line-strong: #9d978b;--action: #245247;--action-hover: #193f37;--on-action: #ffffff;--focus: #176b8d;--warm: #d0a45b;--shadow-sm: 0 12px 34px rgb(43 49 44 / 8%);--shadow-lg: 0 30px 84px rgb(35 43 38 / 15%);--scrollbar-track: #e4dfd5;--scrollbar-thumb: #7b8983;--scrollbar-thumb-hover: #53655e;--max: 1240px;--header: 76px;color-scheme:light;font-family:Inter,PingFang SC,Microsoft YaHei,system-ui,sans-serif}[data-theme=dark]{--page: #101815;--surface: #17231f;--surface-muted: #1d2b26;--text: #f2efe8;--muted: #b3bdb8;--line: #35433e;--line-strong: #708079;--action: #79b6a5;--action-hover: #9acdbc;--on-action: #0d211b;--focus: #83cae6;--warm: #ddb66e;--shadow-sm: 0 14px 38px rgb(0 0 0 / 28%);--shadow-lg: 0 34px 90px rgb(0 0 0 / 42%);--scrollbar-track: #121c18;--scrollbar-thumb: #526861;--scrollbar-thumb-hover: #768b83;color-scheme:dark}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header) + 24px)}body{margin:0;min-width:320px;overflow-x:clip;background:var(--page);color:var(--text);font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}body:before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;background:radial-gradient(65% 42% at 4% 4%,rgb(208 164 91 / 12%),transparent 70%),radial-gradient(55% 38% at 96% 16%,rgb(36 82 71 / 11%),transparent 72%)}img{display:block;max-width:100%}a{color:inherit}button{color:inherit;font:inherit}h1,h2,h3,p,dl,dd{margin-block-start:0}h1,h2,h3{text-wrap:balance}p{text-wrap:pretty}svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}:focus-visible{outline:3px solid var(--focus);outline-offset:4px}@media(hover:hover)and (pointer:fine){html{scrollbar-width:thin;scrollbar-color:var(--scrollbar-thumb) var(--scrollbar-track)}html::-webkit-scrollbar{width:8px;height:8px}html::-webkit-scrollbar-track{background:var(--scrollbar-track)}html::-webkit-scrollbar-thumb{border:1px solid var(--scrollbar-track);border-radius:999px;background:var(--scrollbar-thumb)}html::-webkit-scrollbar-thumb:hover{background:var(--scrollbar-thumb-hover)}}.skip-link{position:fixed;inset:10px auto auto 12px;z-index:999;padding:10px 14px;border-radius:12px;background:var(--text);color:var(--page);transform:translateY(-170%)}.skip-link:focus{transform:translateY(0)}.site-header{position:sticky;inset-block-start:0;z-index:100;min-height:var(--header);padding:10px max(20px,env(safe-area-inset-left));display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:24px;border-block-end:1px solid color-mix(in srgb,var(--line) 78%,transparent);background:color-mix(in srgb,var(--page) 90%,transparent);backdrop-filter:blur(18px) saturate(1.2);-webkit-backdrop-filter:blur(18px) saturate(1.2)}.site-brand{width:fit-content;min-height:54px;display:inline-flex;align-items:center;gap:12px;border-radius:14px;color:var(--text);text-decoration:none}.site-brand-mark{position:relative;width:42px;height:42px;flex:0 0 auto;overflow:hidden;border-radius:14px;background:var(--action);box-shadow:inset 0 0 0 1px #fff3}.site-brand-mark:before,.site-brand-mark:after{content:"";position:absolute;inset:auto auto 7px 4px;width:29px;height:23px;background:var(--on-action);clip-path:polygon(50% 0,100% 100%,0 100%);opacity:.92}.site-brand-mark:after{inset:auto 1px 5px auto;width:25px;height:20px;opacity:.5}.site-brand-mark i{position:absolute;inset:7px 8px auto auto;width:7px;height:7px;border-radius:50%;background:var(--warm)}.site-brand strong{display:block;font-size:15px;letter-spacing:.05em}.site-brand small{display:block;margin-block-start:1px;color:var(--muted);font-size:11px}.site-nav{display:flex;align-items:center;gap:4px}.site-nav a{min-height:42px;padding:0 13px;display:inline-flex;align-items:center;border-radius:12px;color:var(--muted);text-decoration:none;font-size:13px;font-weight:750}.site-nav a:hover{background:var(--surface-muted);color:var(--text)}.theme-picker{position:relative;justify-self:end}.theme-button{width:46px;height:46px;display:grid;place-items:center;border:1px solid var(--line);border-radius:15px;background:var(--surface);cursor:pointer}.theme-button:hover{border-color:var(--line-strong);background:var(--surface-muted)}.theme-menu{position:absolute;inset:calc(100% + 9px) 0 auto auto;z-index:150;width:176px;padding:8px;border:1px solid var(--line);border-radius:16px;background:var(--surface);box-shadow:var(--shadow-lg)}.theme-menu[hidden]{display:none}.theme-menu p{margin:3px 8px 6px;color:var(--muted);font-size:11px;font-weight:800;letter-spacing:.12em}.theme-menu button{width:100%;min-height:42px;padding:0 9px;display:grid;grid-template-columns:1fr 18px;align-items:center;border:0;border-radius:11px;background:transparent;text-align:left;cursor:pointer}.theme-menu button:hover,.theme-menu button:focus-visible{background:var(--surface-muted)}.theme-menu button svg{width:18px;height:18px;opacity:0}.theme-menu button[aria-checked=true]{color:var(--action);font-weight:850}.theme-menu button[aria-checked=true] svg{opacity:1}main{overflow:clip}.hero{width:min(calc(100% - 40px),var(--max));min-height:calc(100svh - var(--header) - 34px);margin:18px auto 0;display:grid;grid-template-columns:minmax(0,.9fr) minmax(470px,1.1fr);align-items:center;gap:clamp(40px,7vw,100px)}.hero-copy{padding-block:clamp(54px,8vw,100px)}.eyebrow{margin-block-end:18px;color:var(--action);font-size:12px;font-weight:900;letter-spacing:.18em;text-transform:uppercase}.hero h1{margin-block-end:26px;font-family:Songti SC,STSong,"Noto Serif SC",serif;font-size:clamp(52px,7vw,96px);font-weight:780;line-height:.98;letter-spacing:-.065em}.hero h1 em{color:var(--action);font-style:normal}.hero-lead{max-width:650px;margin-block-end:30px;color:var(--muted);font-size:clamp(17px,1.5vw,20px);line-height:1.82}.hero-action,.guide-card-link{min-height:52px;padding:0 19px;width:fit-content;display:inline-flex;align-items:center;justify-content:center;gap:13px;border-radius:15px;background:var(--action);color:var(--on-action);text-decoration:none;font-weight:850;box-shadow:var(--shadow-sm)}.hero-action:hover{background:var(--action-hover)}.hero-action svg,.guide-card-link svg{width:19px;height:19px;transition:transform .18s ease}.hero-action:hover svg,.guide-card-link:hover svg{transform:translate(3px)}.hero-facts{margin:44px 0 0;display:flex;flex-wrap:wrap;gap:clamp(24px,4vw,48px)}.hero-facts div{display:grid;justify-items:start;gap:1px;text-align:start}.hero-facts dt{font-family:Songti SC,STSong,serif;font-size:25px;font-weight:800;color:var(--text)}.hero-facts dd{margin:0;color:var(--muted);font-size:12px;font-weight:700}.hero-landscape{position:relative;min-height:min(670px,72vh);overflow:hidden;border:1px solid color-mix(in srgb,var(--line) 70%,transparent);border-radius:48px 48px 140px;background:linear-gradient(180deg,#c8d8d1,#e6dfc9 48%,#b99562);box-shadow:var(--shadow-lg);isolation:isolate}[data-theme=dark] .hero-landscape{background:linear-gradient(180deg,#253c36,#42534c 48%,#70543c)}.hero-landscape:after{content:"";position:absolute;inset:0;z-index:8;pointer-events:none;border-radius:inherit;box-shadow:inset 0 0 0 1px #ffffff29}.landscape-sun{position:absolute;inset:11% 11% auto auto;width:clamp(86px,10vw,132px);aspect-ratio:1;border-radius:50%;background:#f6dfad;box-shadow:0 0 0 22px #f6dfad24,0 0 70px #f6dfad7a}.landscape-cloud{position:absolute;width:58%;height:52px;border-radius:50%;background:linear-gradient(90deg,transparent,rgb(255 255 255 / 43%),transparent);filter:blur(18px)}.cloud-one{inset:28% auto auto -8%}.cloud-two{inset:44% -12% auto auto;opacity:.68}.landscape-layer{position:absolute;inset:auto -10% 0;height:66%;transform-origin:center bottom;clip-path:polygon(0 100%,0 68%,14% 57%,25% 69%,39% 34%,52% 65%,66% 18%,79% 58%,90% 39%,100% 59%,100% 100%)}.layer-far{background:#6d8d81;opacity:.54;transform:translateY(7%) scale(1.08)}.layer-mid{background:#315c50;transform:translateY(19%) scale(1.06)}.layer-near{background:#152d27;transform:translateY(39%) scale(1.1)}.journey-mark{position:absolute;z-index:10;width:90px;padding:12px 8px 10px;display:grid;place-items:center;gap:2px;border:1px solid rgb(255 255 255 / 30%);border-radius:24px;background:#0a1d18ad;color:#fff;box-shadow:0 12px 30px #0000002e;backdrop-filter:blur(12px)}.journey-mark span{display:grid;place-items:center;width:34px;height:34px;border-radius:12px;background:#ffffff24;font-family:Songti SC,STSong,serif;font-size:20px;font-weight:850}.journey-mark small{font-size:11px;font-weight:800;letter-spacing:.08em}.mark-tianzhu{inset:20% auto auto 10%}.mark-gannan{inset:48% 8% auto auto}.mark-japan{inset:auto auto 10% 21%}.mark-gannan span{color:#f1d28d}.mark-japan span{background:#9b392d}.guide-section,.principles{width:min(calc(100% - 40px),var(--max));margin-inline:auto;padding-block:clamp(76px,9vw,132px)}.section-heading{margin-block-end:34px;display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,.62fr);align-items:end;gap:40px}.section-heading h2,.principles h2{margin-block-end:0;font-family:Songti SC,STSong,serif;font-size:clamp(38px,5vw,64px);line-height:1.08;letter-spacing:-.045em}.section-heading>p{margin-block-end:3px;color:var(--muted);font-size:16px;line-height:1.8}.guide-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.guide-card{--card-accent: var(--action);--card-on-accent: var(--on-action);overflow:hidden;display:flex;min-width:0;flex-direction:column;border:1px solid var(--line);border-radius:28px;background:var(--surface);box-shadow:var(--shadow-sm);transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease}.guide-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-lg)}.tianzhu-card{--card-accent: #20594c;--card-on-accent: #fff}.gannan-card{--card-accent: #306f5d;--card-on-accent: #fff}.japan-card{--card-accent: #9c382a;--card-on-accent: #fff}[data-theme=dark] .tianzhu-card{--card-accent: #76b9a5;--card-on-accent: #0b211a}[data-theme=dark] .gannan-card{--card-accent: #82c2ae;--card-on-accent: #0d221c}[data-theme=dark] .japan-card{--card-accent: #ffb4a7;--card-on-accent: #38130e}.card-media{position:relative;height:250px;flex:0 0 auto;overflow:hidden;margin:0;background:#1f332d;color:#fff}.photo-media:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,#0000000d,#000000a1)}.photo-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.2,.8,.2,1)}.guide-card:hover .photo-media img{transform:scale(1.035)}.photo-media figcaption{position:absolute;z-index:3;inset:auto 16px 12px auto;max-width:calc(100% - 32px);color:#ffffffc2;font-size:9px;text-shadow:0 1px 2px rgb(0 0 0 / 50%)}.card-index{position:absolute;z-index:4;inset:15px auto auto 16px;display:grid;place-items:center;width:36px;height:36px;border:1px solid rgb(255 255 255 / 38%);border-radius:12px;background:#00000061;color:#fff;font-size:11px;font-weight:900;backdrop-filter:blur(10px)}.media-label{position:absolute;z-index:4;inset:auto auto 14px 16px;color:#fff;font-size:12px;font-weight:850;letter-spacing:.04em;text-shadow:0 1px 3px rgb(0 0 0 / 55%)}.tianzhu-media{background:linear-gradient(180deg,#8eb1ae,#dfbd82 65%,#254f45)}.card-sun{position:absolute;inset:34px 36px auto auto;width:64px;height:64px;border-radius:50%;background:#f7dfaa;box-shadow:0 0 34px #f7dfaa8c}.card-mountain{position:absolute;inset:auto -8% 0;height:70%;clip-path:polygon(0 100%,0 72%,14% 58%,25% 70%,43% 25%,59% 64%,74% 36%,88% 67%,100% 52%,100% 100%)}.card-mountain.far{background:#ffffff3d;transform:translateY(16%)}.card-mountain.near{background:#183a32;transform:translateY(35%) scale(1.08)}.card-copy{height:100%;padding:24px;display:flex;flex-direction:column}.card-meta{margin-block-end:13px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 14px;color:var(--muted);font-size:11px;font-weight:800}.card-meta span:first-child{color:var(--card-accent)}.card-copy h3{margin-block-end:13px;font-family:Songti SC,STSong,serif;font-size:29px;line-height:1.18;letter-spacing:-.035em}.card-copy>p{margin-block-end:18px;color:var(--muted);font-size:14px;line-height:1.8}.card-copy ul{margin:0 0 24px;padding:0;display:grid;gap:8px;list-style:none}.card-copy li{position:relative;padding-inline-start:18px;font-size:13px;font-weight:720}.card-copy li:before{content:"";position:absolute;inset:.66em auto auto 1px;width:7px;height:7px;border:2px solid var(--card-accent);border-radius:50%}.guide-card-link{min-height:48px;margin-block-start:auto;background:var(--card-accent);color:var(--card-on-accent);box-shadow:none}.guide-card-link:hover{filter:brightness(.94)}.principles{display:grid;grid-template-columns:minmax(0,.8fr) minmax(500px,1.2fr);gap:clamp(48px,8vw,110px);align-items:start;border-block-start:1px solid var(--line)}.principles-copy>p:last-child{max-width:540px;margin-block-start:24px;color:var(--muted);font-size:17px}.principle-list{display:grid}.principle-list article{min-height:116px;padding:22px 2px;display:grid;grid-template-columns:50px 1fr;gap:18px;border-block-end:1px solid var(--line)}.principle-list article:first-child{padding-block-start:0}.principle-list article>span{color:var(--action);font-family:Songti SC,STSong,serif;font-size:18px;font-weight:850}.principle-list h3{margin-block-end:6px;font-size:18px}.principle-list p{margin-block-end:0;color:var(--muted);font-size:14px}.site-footer{min-height:160px;padding:42px max(20px,calc((100vw - var(--max)) / 2));display:flex;align-items:center;justify-content:space-between;gap:40px;border-block-start:1px solid var(--line);background:var(--surface)}.site-footer strong{font-family:Songti SC,STSong,serif;font-size:20px}.site-footer p{max-width:670px;margin:5px 0 0;color:var(--muted);font-size:12px}.site-footer nav{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px 18px}.site-footer a{min-height:44px;display:inline-flex;align-items:center;color:var(--muted);font-size:13px;font-weight:750}.site-footer a:hover{color:var(--action)}.not-found-page{min-height:100svh;display:grid;grid-template-rows:auto 1fr}.not-found-main{min-height:0;padding:clamp(40px,8vw,100px) 20px;display:grid;place-items:center}.not-found-card{width:min(780px,100%);padding:clamp(28px,6vw,64px);border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface);box-shadow:var(--shadow)}.not-found-card h1{max-width:12em;margin:18px 0;font-family:Songti SC,STSong,serif;font-size:clamp(42px,7vw,76px);line-height:1.05;letter-spacing:-.05em}.not-found-card>p:not(.eyebrow){max-width:36em;margin:0;color:var(--muted);font-size:17px;line-height:1.8}.not-found-actions{margin-block-start:30px;display:flex;flex-wrap:wrap;gap:10px}.not-found-actions a{min-height:48px;padding-inline:18px;display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:999px;color:var(--text);font-size:14px;font-weight:750;text-decoration:none}.not-found-actions a:hover{border-color:var(--action);color:var(--action)}.not-found-actions .hero-action,.not-found-actions .hero-action:hover{color:var(--on-action)}@media(max-width:1040px){.hero{min-height:auto;grid-template-columns:1fr 1fr;gap:38px}.hero-landscape{min-height:560px;border-radius:38px 38px 100px}.guide-grid{grid-template-columns:1fr 1fr}.japan-card{grid-column:1 / -1;display:grid;grid-template-columns:minmax(300px,.9fr) minmax(0,1.1fr)}.japan-card .card-media{height:100%;min-height:390px}}@media(max-width:760px){:root{--header: 68px}.site-header{grid-template-columns:minmax(0,1fr) auto;padding-inline:14px}.site-nav,.site-brand small{display:none}.hero{width:min(calc(100% - 28px),var(--max));grid-template-columns:1fr;gap:0}.hero-copy{padding-block:58px 38px}.hero h1{font-size:clamp(50px,15vw,74px)}.hero-lead{font-size:16px}.hero-facts{margin-block-start:34px;gap:22px 30px}.hero-landscape{min-height:470px;border-radius:32px 32px 80px}.guide-section,.principles{width:min(calc(100% - 28px),var(--max))}.section-heading{grid-template-columns:1fr;gap:18px}.section-heading>p{max-width:600px}.guide-grid{grid-template-columns:1fr}.japan-card{grid-column:auto;display:flex}.japan-card .card-media{height:250px;min-height:0}.principles{grid-template-columns:1fr;gap:46px}.site-footer{align-items:flex-start;flex-direction:column}.site-footer nav{justify-content:flex-start}}@media(max-width:420px){.site-brand-mark{width:38px;height:38px;border-radius:13px}.site-brand strong{font-size:14px}.theme-button{width:44px;height:44px}.hero-copy{padding-block-start:48px}.hero h1{font-size:48px}.hero-action{width:100%}.hero-landscape{min-height:405px}.journey-mark{width:78px;padding-inline:6px}.mark-tianzhu{inset-inline-start:6%}.mark-gannan{inset-inline-end:5%}.card-copy{padding:21px}.card-copy h3{font-size:27px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@media print{.site-header,.theme-picker,.hero-action{display:none!important}body{background:#fff;color:#000}.hero,.guide-section,.principles{width:100%}.hero{min-height:0;grid-template-columns:1fr}.hero-landscape{display:none}.guide-grid{grid-template-columns:1fr}.guide-card{break-inside:avoid;box-shadow:none}}