._page_1y2k4_1{background:var(--paper-cool);min-height:100vh;color:var(--ink);font-family:inherit}._breadcrumb_1y2k4_8{color:#aab8b2;flex-wrap:wrap;align-items:center;gap:9px;font-size:.78rem;display:flex}._breadcrumb_1y2k4_8 a{color:inherit;text-underline-offset:4px}._eyebrow_1y2k4_10,._panelLabel_1y2k4_10{letter-spacing:.14em;text-transform:uppercase;font-size:.74rem;font-weight:800}._eyebrow_1y2k4_10{color:#86d5c8;margin:54px 0 18px}._lead_1y2k4_12{color:#cbd6d0;max-width:800px;font-size:clamp(1rem,1.5vw,1.22rem);line-height:1.95}._indexHero_1y2k4_14,._articleHeader_1y2k4_14{color:#f6f0df;background:radial-gradient(circle at 82% 15%,#5cb9a938,#0000 26%),linear-gradient(140deg,#15231f,#213b34);padding:clamp(36px,6vw,82px) clamp(22px,7vw,112px) clamp(68px,8vw,112px)}._indexHero_1y2k4_14 h1,._articleHeader_1y2k4_14 h1{letter-spacing:-.01em;line-break:strict;overflow-wrap:anywhere;text-wrap:pretty;max-width:900px;margin:0 0 28px;font-family:Yu Mincho,Hiragino Mincho ProN,serif;font-size:clamp(1.9rem,1.2rem + 2.3vw,3.1rem);font-weight:500;line-height:1.3}._thumbnailNav_1y2k4_31{background:var(--paper-2);border-bottom:1px solid var(--line);padding:clamp(34px,5vw,64px) clamp(18px,5vw,80px)}._thumbnailIntro_1y2k4_32{grid-template-columns:minmax(150px,.35fr) minmax(180px,.45fr) minmax(280px,1fr);align-items:baseline;gap:20px;margin-bottom:22px;display:grid}._thumbnailIntro_1y2k4_32 p{color:var(--accent-ink);letter-spacing:.13em;margin:0;font:800 .68rem/1.4 ui-monospace,monospace}._thumbnailIntro_1y2k4_32 h2{margin:0;font-family:Yu Mincho,serif;font-size:clamp(1.45rem,2.2vw,2rem);font-weight:500}._thumbnailIntro_1y2k4_32>span{color:var(--ink-2);font-size:.9rem;line-height:1.65}._thumbnailTrack_1y2k4_36{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;display:grid}._thumbnailCard_1y2k4_37{min-height:118px;color:var(--ink);background:var(--panel);border:1px solid var(--line);grid-template-columns:88px minmax(0,1fr);align-items:center;gap:16px;text-decoration:none;display:grid}._thumbnailCard_1y2k4_37:hover{border-color:var(--teal);background:var(--panel-hover)}._thumbImage_1y2k4_39{background:#1b2b26;width:88px;height:116px;display:block;position:relative;overflow:hidden}._thumbImage_1y2k4_39:before{content:"";opacity:.85;background:repeating-linear-gradient(#e8794b 0 6px,#0000 6px 11px);width:1px;position:absolute;top:6%;bottom:6%;left:50%}._thumbnailCard_1y2k4_37 img{object-fit:contain;background:#1b2b26;width:88px;height:116px;display:block}._thumbnailCopy_1y2k4_42{gap:9px;min-width:0;padding:13px 14px 13px 0;display:grid}._thumbnailCopy_1y2k4_42>span{color:var(--muted);letter-spacing:.09em;flex-wrap:wrap;gap:8px;font-size:.66rem;font-weight:800;display:flex}._thumbnailCopy_1y2k4_42 b{color:var(--accent-ink);font-family:ui-monospace,monospace}._thumbnailCopy_1y2k4_42 strong{font-family:Yu Mincho,serif;font-size:clamp(.95rem,1.35vw,1.18rem);font-weight:600;line-height:1.4}._cardGrid_1y2k4_46{grid-template-columns:repeat(3,1fr);gap:28px;padding:clamp(64px,8vw,120px) clamp(18px,5vw,80px);display:grid}._snapCard_1y2k4_47{scroll-margin-top:calc(var(--header-height) + 24px);background:var(--panel);border:1px solid var(--line);box-shadow:0 20px 55px var(--surface-shadow)}._cardImage_1y2k4_48{width:100%;height:min(58vw,620px);color:inherit;cursor:zoom-in;background:#15231f;border:0;padding:0;display:block;position:relative;overflow:hidden}._cardImage_1y2k4_48:before{content:"";z-index:1;opacity:.8;pointer-events:none;background:repeating-linear-gradient(#e8794b 0 8px,#0000 8px 14px);width:1px;position:absolute;top:4%;bottom:14%;left:50%}._cardImage_1y2k4_48 img{object-fit:cover;width:100%;height:100%;transition:transform .5s;display:block}._cardImage_1y2k4_48:hover img{transform:scale(1.025)}._cardNumber_1y2k4_52{color:#fff;background:#e8794b;place-items:center;width:44px;height:44px;font-family:ui-monospace,monospace;display:grid;position:absolute;top:16px;left:16px}._zoomHint_1y2k4_53{color:#fff;letter-spacing:.05em;background:#15231fd1;padding:8px 11px;font-size:.72rem;font-weight:750;position:absolute;bottom:14px;right:14px}._cardCopy_1y2k4_54{padding:28px}._cardCopy_1y2k4_54>p:first-child{color:var(--accent-ink);letter-spacing:.13em;margin:0;font-size:.72rem;font-weight:800}._cardCopy_1y2k4_54 h2{margin:12px 0 16px;font-family:Yu Mincho,serif;font-size:clamp(1.25rem,1rem + 1vw,1.7rem);line-height:1.4}._cardCopy_1y2k4_54 h2 a{color:inherit;text-decoration:none}._cardCopy_1y2k4_54>p{color:var(--ink-2);line-height:1.75}._readMore_1y2k4_59{color:var(--teal);text-underline-offset:5px;margin-top:12px;font-weight:750;display:inline-block}._lightbox_1y2k4_60{background:0 0;border:0;width:100vw;max-width:none;height:100dvh;max-height:none;margin:0;padding:clamp(16px,4vw,42px)}._lightbox_1y2k4_60::backdrop{background:#08110edb}._lightboxPanel_1y2k4_62{grid-template-rows:minmax(0,1fr) auto;place-items:center;gap:12px;width:fit-content;max-width:100%;height:100%;margin:auto;display:grid;position:relative}._lightboxPanel_1y2k4_62 img{object-fit:contain;background:var(--paper-cool);width:auto;max-width:min(92vw,920px);height:auto;max-height:84svh;box-shadow:0 26px 80px #0000006b}._lightboxClose_1y2k4_64{z-index:1;color:#17231f;cursor:pointer;background:#f6f0e6;border:1px solid #17231f3d;min-width:72px;min-height:44px;padding:9px 14px;font-weight:800;position:absolute;top:0;right:0}._lightboxCaption_1y2k4_65{color:#f6f0e6;text-align:center;margin:0;line-height:1.5}._caseSetBanner_1y2k4_66{color:#f4f0e4;background:#213b34;border-top:5px solid #e8794b;justify-content:space-between;align-items:end;gap:34px;margin:0 clamp(18px,5vw,80px) clamp(64px,8vw,116px);padding:clamp(30px,4vw,54px);display:flex}._caseSetBanner_1y2k4_66 p{color:#86d5c8;letter-spacing:.14em;margin:0 0 10px;font-size:.72rem;font-weight:800}._caseSetBanner_1y2k4_66 h2{margin:0 0 10px;font-family:Yu Mincho,serif;font-size:clamp(1.35rem,1.05rem + 1.1vw,2rem);font-weight:500;line-height:1.4}._caseSetBanner_1y2k4_66 span{color:#bfcfc8;line-height:1.7}._caseSetBanner_1y2k4_66 a{color:#ffb080;text-underline-offset:6px;flex:none;font-weight:800}._indexMethod_1y2k4_72{color:#edf2ef;background:#17231f;padding:clamp(68px,9vw,128px) clamp(24px,7vw,112px)}._indexMethod_1y2k4_72 h2{max-width:920px;margin:15px 0 50px;font-family:Yu Mincho,serif;font-size:clamp(1.35rem,1.05rem + 1.1vw,2rem);font-weight:500;line-height:1.4}._indexMethod_1y2k4_72 ol{grid-template-columns:repeat(3,1fr);gap:30px;margin:0;padding:0;list-style:none;display:grid}._indexMethod_1y2k4_72 li{border-top:1px solid #ffffff40;padding-top:22px}._indexMethod_1y2k4_72 li span{color:#86d5c8;font-family:ui-monospace,monospace}._indexMethod_1y2k4_72 li strong{margin:16px 0 8px;font-size:1.15rem;display:block}._indexMethod_1y2k4_72 li p{color:#b8c8c1;line-height:1.75}._photoSection_1y2k4_80{grid-template-columns:minmax(0,1.25fr) minmax(330px,.75fr);gap:0;max-width:1440px;margin:0 auto;padding:clamp(52px,7vw,100px) clamp(16px,5vw,72px);display:grid}._photoColumn_1y2k4_81{min-width:0}._figure_1y2k4_82{aspect-ratio:2/3;background:#17231f;margin:0;position:relative;overflow:hidden}._figure_1y2k4_82 img{object-fit:cover;width:100%;height:100%;display:block}._markerCheckbox_1y2k4_84{opacity:0;width:1px;height:1px;position:absolute}._markerToggle_1y2k4_85{z-index:4;color:#fff;cursor:pointer;background:#15231fdb;border:1px solid #ffffff73;padding:10px 13px;font-size:.78rem;position:absolute;top:16px;right:16px}._markerToggle_1y2k4_85:before{content:"✓ ";color:#86d5c8}._markerCheckbox_1y2k4_84:not(:checked)~._markerToggle_1y2k4_85:before{content:"＋ ";color:#ffb080}._markers_1y2k4_88{pointer-events:none;transition:opacity .2s;position:absolute;inset:0}._markerCheckbox_1y2k4_84:not(:checked)~._markers_1y2k4_88{opacity:0}._marker_1y2k4_84{left:var(--marker-left);top:var(--marker-top);color:#17231f;background:#ffb080;border:2px solid #fff;border-radius:50%;place-items:center;width:38px;height:38px;font-weight:900;display:grid;position:absolute;transform:translate(-50%,-50%);box-shadow:0 4px 20px #00000059}._caption_1y2k4_91{color:var(--ink-2);padding:18px 20px 0;line-height:1.7;display:block}._aiNote_1y2k4_92{color:var(--warm-ink);padding:0 20px;font-size:.78rem;line-height:1.65}._observationPanel_1y2k4_94{background:var(--panel);border:1px solid var(--line);align-self:start;padding:clamp(28px,3vw,46px)}._panelLabel_1y2k4_10{color:var(--accent-ink);margin:0 0 18px}._observationPanel_1y2k4_94 ol{margin:0;padding:0;list-style:none}._observationPanel_1y2k4_94 li{border-top:1px solid var(--line);grid-template-columns:42px 1fr;gap:13px;padding:22px 0;display:grid}._observationPanel_1y2k4_94 li>span{color:var(--accent);font-family:ui-monospace,monospace;font-weight:800}._observationPanel_1y2k4_94 h2{margin:0 0 8px;font-size:1.05rem}._observationPanel_1y2k4_94 p{color:var(--ink-2);margin:0;line-height:1.75}._boundaryGrid_1y2k4_102{grid-template-columns:1fr 1fr;display:grid}._unknownCard_1y2k4_103,._checkCard_1y2k4_103{padding:clamp(52px,7vw,100px)}._unknownCard_1y2k4_103{background:var(--paper-2)}._checkCard_1y2k4_103{background:var(--panel-cool)}._boundaryGrid_1y2k4_102 h2{max-width:620px;margin:0 0 30px;font-family:Yu Mincho,serif;font-size:clamp(1.35rem,1.05rem + 1.1vw,2rem);font-weight:500;line-height:1.4}._boundaryGrid_1y2k4_102 ul,._boundaryGrid_1y2k4_102 ol{padding-left:1.35rem;line-height:1.9}._boundaryGrid_1y2k4_102>div>p:last-child{color:var(--ink-2);margin-top:30px;line-height:1.8}._checkCard_1y2k4_103 ol{padding:0;list-style:none}._checkCard_1y2k4_103 li{grid-template-columns:32px 1fr;gap:12px;padding:10px 0;display:grid}._checkCard_1y2k4_103 li span{color:#fff;background:#1e7c70;border-radius:50%;place-items:center;width:25px;height:25px;font-size:.75rem;display:grid}._policyLine_1y2k4_113{color:var(--muted);border-top:1px solid var(--line);margin:clamp(40px,6vw,72px) clamp(22px,8vw,130px) 0;padding-top:18px;font-size:.86rem;line-height:1.75}._policyLine_1y2k4_113 a{color:var(--teal);text-underline-offset:3px}._sources_1y2k4_115{padding:clamp(32px,5vw,48px) clamp(22px,8vw,130px) clamp(60px,8vw,100px)}._sources_1y2k4_115 h2{font-family:Yu Mincho,serif;font-size:clamp(1.35rem,1.05rem + 1.1vw,2rem);font-weight:500}._sources_1y2k4_115 ul{padding-left:1.2rem;line-height:2}._sources_1y2k4_115 a{color:var(--teal);text-underline-offset:4px}._nextNav_1y2k4_119{border-top:1px solid var(--line);justify-content:space-between;gap:24px;padding:32px clamp(22px,7vw,112px);display:flex}._nextNav_1y2k4_119 a{color:var(--teal);text-underline-offset:5px;font-weight:750}._visuallyHidden_1y2k4_121{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@media (width<=980px){._cardGrid_1y2k4_46{grid-template-columns:1fr}._snapCard_1y2k4_47{grid-template-columns:minmax(260px,.75fr) 1fr;display:grid}._cardImage_1y2k4_48{height:520px}._photoSection_1y2k4_80{grid-template-columns:1fr}._observationPanel_1y2k4_94{border-top:0}._boundaryGrid_1y2k4_102{grid-template-columns:1fr}}@media (width<=640px){._indexHero_1y2k4_14,._articleHeader_1y2k4_14{padding-inline:20px}._thumbnailNav_1y2k4_31{padding:30px 0 34px;overflow:hidden}._thumbnailIntro_1y2k4_32{margin-bottom:18px;padding-inline:20px;display:block}._thumbnailIntro_1y2k4_32 h2{margin-top:7px;font-size:1.55rem}._thumbnailIntro_1y2k4_32>span{margin-top:8px;font-size:.84rem;display:block}._thumbnailTrack_1y2k4_36{overscroll-behavior-inline:contain;scroll-snap-type:inline mandatory;-webkit-overflow-scrolling:touch;gap:10px;padding:0 12px 8px;scroll-padding-inline:12px;display:flex;overflow-x:auto}._thumbnailCard_1y2k4_37{scroll-snap-align:start;flex:0 0 min(42vw,180px);min-height:0;display:block}._thumbnailCard_1y2k4_37 img{object-fit:contain;width:100%;height:136px}._thumbnailCopy_1y2k4_42{align-content:start;min-height:116px;padding:12px}._thumbnailCopy_1y2k4_42 strong{font-size:.94rem}._cardGrid_1y2k4_46{padding-inline:12px}._snapCard_1y2k4_47{display:block}._cardImage_1y2k4_48{background:var(--paper-2);place-items:center;height:auto;min-height:calc(42svh + 32px);padding:16px;display:grid}._cardImage_1y2k4_48 img{object-fit:contain;width:auto;max-width:min(100%,320px);height:auto;max-height:42svh}._cardImage_1y2k4_48:hover img{transform:none}._cardNumber_1y2k4_52{top:12px;left:12px}._zoomHint_1y2k4_53{bottom:12px;right:12px}._lightbox_1y2k4_60{padding:14px}._lightboxPanel_1y2k4_62 img{max-width:calc(100vw - 28px);max-height:80svh}._lightboxClose_1y2k4_64{top:4px;right:4px}._indexMethod_1y2k4_72 ol{grid-template-columns:1fr}._caseSetBanner_1y2k4_66{flex-direction:column;align-items:flex-start;margin-inline:12px}._photoSection_1y2k4_80{padding-inline:12px}._observationPanel_1y2k4_94{padding-inline:20px}._boundaryGrid_1y2k4_102>div{padding-inline:24px}._nextNav_1y2k4_119{flex-direction:column}}@media (prefers-reduced-motion:reduce){._page_1y2k4_1,._page_1y2k4_1 *,._page_1y2k4_1 :before,._page_1y2k4_1 :after{scroll-behavior:auto!important;transition-duration:.01ms!important}}