日本战列舰现代化蓝图

{"type":"technical warship blueprint poster","subject":{"vessel":"Imperial Japanese super battleship modernization concept","class":"Yamato-class","variant":"Yamato Kai II","year":"1964","nationality":"Japan","theme":"alternate-history naval modernization sheet"},"style":{"rendering":"high-detail side-view naval illustration mixed with blueprint and museum reference sheet aesthetics","palette":"off-white paper background, black and dark gray linework, steel gray hull and superstructure, reddish anti-fouling lower hull, tan wooden deck","finish":"clean printed poster, precise annotation lines, crisp Japanese typography, lightly aged technical document look"},"layout":{"orientation":"landscape","border":"double-line printed border around the full page","sections":[{"title":"右舷側面図","position":"top half","count":1,"labels":["starboard side profile"]},{"title":"上面図","position":"middle","count":1,"labels":["top deck plan view"]},{"title":"正面図","position":"bottom left","count":1,"labels":["front bow view"]},{"title":"超大和型戦艦 近代化改修型 (1964) 要目","position":"bottom center","count":1,"labels":["specification table"]},{"title":"備考（改修要点）","position":"bottom right","count":1,"labels":["notes box"]},{"title":"title cartouche","position":"top right","count":1,"labels":["帝国海軍超大和型戦艦 二番艦（仮称）","大和改二"]}],"count":6},"text":{"main_title":"超大和型戦艦 近代化改修型 (1964)","language":"Japanese","density":"heavy annotation throughout with many leader lines and metric dimensions"},"views":{"count":3,"items":[{"view":"starboard side profile","details":"full-length ship occupying nearly the entire top width, many callouts identifying radar arrays, mast, bridge, ECM antennas, secondary guns, anti-aircraft guns, missile launchers, helicopter deck and hangar area"},{"view":"top deck plan","details":"full top-down silhouette with sharply pointed bow, broad midship superstructure, wooden deck texture, three main triple turrets, dense anti-aircraft clusters, radar and electronics details, deck markings aft for helicopter operations"},{"view":"front bow view","details":"centered head-on view showing towering pagoda mast, layered superstructure, stacked armament, flared bow, red lower hull visible below the waterline"}]},"armament":{"count":8,"items":["3 triple 51 cm main gun turrets","2 twin 15.5 cm secondary turrets","8 twin 12.7 cm high-angle anti-aircraft mounts","10 triple 35 mm machine cannon mounts","2 anti-ship missile launcher groups","numerous additional small anti-aircraft guns visible across the deck and superstructure","radar-directed fire control systems","helicopter facilities for 2 aircraft"]},"aviation":{"count":2,"items":["aft helicopter deck","capacity for 2 shipboard helicopters"]},"measurement_graphics":{"count":5,"items":["300 m horizontal scale beneath side view","full length labeled 301.0 m","beam labeled 42.0 m beside top view","beam labeled 42.0 m beneath front view","black-and-white scale bar at bottom right labeled to 50 m and scale notation 1/600"]},"spec_table":{"format":"multi-column boxed table","content_style":"Japanese labels and numeric values for type, speed, range, displacement, dimensions, propulsion, armament, armor, radar, electronics, and aircraft"},"composition":"make it look like a printed naval enthusiast poster or archival design sheet from a Japanese magazine, balanced and symmetrical, extremely detailed but orderly, no dramatic ocean background, isolated on paper only","quality":"ultra-detailed, sharp print reproduction, legible labels, realistic ship rendering, engineering illustration precision"}